/*
 * Copyright (c) 2005-2006, Kohsuke Ohtani
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the author nor the names of any co-contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <stdio.h>
#include <sys/prex.h>
#include <signal.h>
#include <sys/posix.h>
#include <ipc/fs.h>

#include <stddef.h>
#include <errno.h>
#include <mmap.h>


int
main(int argc, char *argv[])
{
	int fd, fd2, x;
	void * addrp = 16386;
	char * iaddr;
	char b;
	
	printf("Starting\n");
	
	
	printf("Writing file...\n");
	fd = open("input.txt", O_WRONLY | O_CREAT);
	
	char buf[] = {'1', '2', '3', '4', '5'};
	
	for( x = 0; x < 16384; x++ )
	{
		write(fd, buf, 5);
	}
	
	close(fd);
	printf("Done\n");
	
	printf("Opening file...\n");
	fd = open("input.txt", O_RDONLY);
	fd2 = open("output.txt", O_WRONLY | O_CREAT);
	
	printf("Mapping file...\n");
	mmap(addrp, fd, 0, 16384);
	iaddr = (char *)addrp;
	printf("Reading file...\n");
	for( x = 0; x < 16384*6; x++ )
	{
		b = iaddr[x];
		write(fd2, &b, 1);
	}
	printf("Done\n");
	
	return 0;
}
